Paper cutting knife



FIG. 1 is a top plan view of a paper cutting knife showing my newdesign;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right end elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left end elevational view thereof; and

FIG. 6 is a bottom plan view thereof.

The ornamental design for a paper cutting knife, as shown and described.